| # SPDX-License-Identifier: GPL-2.0 |
| |
| LIBDIR := ../../../lib |
| BPFDIR := $(LIBDIR)/bpf |
| APIDIR := ../../../include/uapi |
| GENDIR := ../../../../include/generated |
| GENHDR := $(GENDIR)/autoconf.h |
| |
| ifneq ($(wildcard $(GENHDR)),) |
| GENFLAGS := -DHAVE_GENHDR |
| endif |
| |
| CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(BPFDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include |
| LDLIBS += -lcap -lelf -lrt -lpthread |
| |
| TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read |
| all: $(TEST_CUSTOM_PROGS) |
| |
| $(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c |
| $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id |
| |
| # Order correspond to 'make run_tests' order |
| TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \ |
| test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \ |
| test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user |
| |
| TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \ |
| test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \ |
| sockmap_verdict_prog.o dev_cgroup.o sample_ret0.o test_tracepoint.o \ |
| test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \ |
| sample_map_ret0.o test_tcpbpf_kern.o test_stacktrace_build_id.o \ |
| sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o test_adjust_tail.o \ |
| test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o \ |
| test_get_stack_rawtp.o test_sockmap_kern.o test_sockhash_kern.o \ |
| test_lwt_seg6local.o sendmsg4_prog.o sendmsg6_prog.o test_lirc_mode2_kern.o \ |
| get_cgroup_id_kern.o |
| |
| # Order correspond to 'make run_tests' order |
| TEST_PROGS := test_kmod.sh \ |
| test_libbpf.sh \ |
| test_xdp_redirect.sh \ |
| test_xdp_meta.sh \ |
| test_offload.py \ |
| test_sock_addr.sh \ |
| test_tunnel.sh \ |
| test_lwt_seg6local.sh \ |
| test_lirc_mode2.sh |
| |
| # Compile but not part of 'make run_tests' |
| TEST_GEN_PROGS_EXTENDED = test_libbpf_open test_sock_addr |
| |
| include ../lib.mk |
| |
| BPFOBJ := $(OUTPUT)/libbpf.a |
| |
| $(TEST_GEN_PROGS): $(BPFOBJ) |
| |
| $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/libbpf.a |
| |
| $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c |
| $(OUTPUT)/test_sock: cgroup_helpers.c |
| $(OUTPUT)/test_sock_addr: cgroup_helpers.c |
| $(OUTPUT)/test_sockmap: cgroup_helpers.c |
| $(OUTPUT)/test_progs: trace_helpers.c |
| $(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c |
| |
| .PHONY: force |
| |
| # force a rebuild of BPFOBJ when its dependencies are updated |
| force: |
| |
| $(BPFOBJ): force |
| $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ |
| |
| CLANG ?= clang |
| LLC ?= llc |
| LLVM_OBJCOPY ?= llvm-objcopy |
| BTF_PAHOLE ?= pahole |
| |
| PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) |
| |
| # Let newer LLVM versions transparently probe the kernel for availability |
| # of full BPF instruction set. |
| ifeq ($(PROBE),) |
| CPU ?= probe |
| else |
| CPU ?= generic |
| endif |
| |
| # Get Clang's default includes on this system, as opposed to those seen by |
| # '-target bpf'. This fixes "missing" files on some architectures/distros, |
| # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. |
| # |
| # Use '-idirafter': Don't interfere with include mechanics except where the |
| # build would have failed anyways. |
| CLANG_SYS_INCLUDES := $(shell $(CLANG) -v -E - </dev/null 2>&1 \ |
| | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') |
| |
| CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ |
| $(CLANG_SYS_INCLUDES) \ |
| -Wno-compare-distinct-pointer-types |
| |
| $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline |
| $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline |
| |
| BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) |
| BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) |
| BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm') |
| |
| ifneq ($(BTF_LLC_PROBE),) |
| ifneq ($(BTF_PAHOLE_PROBE),) |
| ifneq ($(BTF_OBJCOPY_PROBE),) |
| CLANG_FLAGS += -g |
| LLC_FLAGS += -mattr=dwarfris |
| DWARF2BTF = y |
| endif |
| endif |
| endif |
| |
| $(OUTPUT)/%.o: %.c |
| $(CLANG) $(CLANG_FLAGS) \ |
| -O2 -target bpf -emit-llvm -c $< -o - | \ |
| $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@ |
| ifeq ($(DWARF2BTF),y) |
| $(BTF_PAHOLE) -J $@ |
| endif |
| |
| EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) |